Posts about Production Postgres
Exporter2Perfdata - Connecting Postgres Monitoring Tools
Crunchy Data is excited to release a new open source tool, Exporter2Perfdata. This connects Prometheus Exporters with Icinga2/Nagios. This also allows pgMonitor users to connect monitoring information from Prometheus to Icinga2 and Nagios.
3 min readPostgres Query Optimization: LEFT JOIN vs UNION ALL
David optimizes a slow query by splitting up a left join into two calls and using UNION ALL to combine them. The proof is in the pudding.
6 min readPostgres Traceability: Use SQL Comments Like a Stacktrace
Which of my applications ran this SQL statement? Use SQL comments to track which application ran which queries.
4 min readDemystifying Database Performance for Developers
For developers, databases are basically magic. Like Penn & Teller, this blog post is set to break the illusion. Databases are just like any other code, they have algorithms and processes. These algorithms and processes are meant to improve performance, but can cause limitations if they are not expected.
9 min readFive Tips For a Healthier Postgres Database in the New Year
Craig's year end wrap-up of 5 things you can do for a healthier Postgres database next year.
5 min read
Patroni & etcd in High Availability Environments
A deep dive into Patroni, etcd, and the etcd consensus protocol to diagnose common communication and system issues.
13 min read
Postgres 14: It's The Little Things
Today I wanted to call some extra attention to those little things, the ones that don't get the spotlight, but simply make a developer's life better.
5 min read
Insert-Only Tables and Autovacuum Issues Prior to PostgreSQL 13
If you have insert-only tables in a version of PostgreSQL earlier that 13, you could benefit from running a regularly scheduled VACUUM.
5 min read
PostgreSQL on Linux: Counting Committed Memory
By default Linux uses a controversial (for databases) memory extension feature called Overcommit. How that interacts with PostgreSQL is covered in the Managing Kernel Resources section of the PG manual.
6 min read
Better Range Types in Postgres 14: Turning 100 Lines of SQL Into 3
Almost a decade after range types were introduced, Postgres 14 makes it easier to write "boring SQL" for range data. Meet the "multirange" data type.
5 min read
Better JSON in Postgres with PostgreSQL 14
A feature highlight of the new JSON subscript support within PostgreSQL 14.
5 min read
Using Kubernetes? Chances Are You Need a Database
Whether you are starting a new development project, launching an application modernization effort, or engaging in digital transformation, chances are you are evaluating Kubernetes. If you selected Kubernetes, chances are you will ultimately need a database.
4 min read
Choice of Table Column Types and Order When Migrating to PostgreSQL
An underappreciated element of PostgreSQL performance can be the data types chosen and their organization in tables. For sites that are always looking for that incremental performance improvement, managing the exact layout and utilization of every byte of a row (also known as a tuple) can be worthwhile.
9 min read
Postgres is Out of Disk and How to Recover: The Dos and Don'ts
The ultimate goal for any unplanned database interruption is to reduce data loss. So the advice here is aimed at someone in a production situation prioritizing minimizing data loss.
12 min read
Introducing pgBackRest Multiple Repository Support
The pgBackRest team is pleased to announce the introduction of multiple repository support in v2.33. Backups already provide redundancy by creating an offline copy of your PostgreSQL cluster that can be used in disaster recovery.
5 min read
Announcing Google Cloud Storage (GCS) Support for pgBackRest
Today we're announcing Crunchy Bridge support for Managed Postgres on Google Cloud. With Crunchy Bridge you can now have the same great PostgreSQL experience on any cloud and seamlessly migrate between cloud vendors as you see fit.
2 min read
Database Terminology Explained: Postgres High Availability and Disaster Recovery
What follows is a summary of conversations I've had with customers on how to think about key tenants of database management, high availability and disaster recovery.
Deep PostgreSQL Thoughts: The Linux Assassin
When Linux detects that the system is using too much memory, it will identify processes for termination and, well, assassinate them. The OOM killer has a noble role in ensuring a system does not run out of memory, but this can lead to unintended consequences.
11 min read
The Answer is Postgres; The Question is How?
Deciding to use Postgres is a great start, we like to think it’s the right start. As to how best to deploy it, you have a number of options.
7 min read
Change Data Capture in Postgres With Debezium
A step-by-step guide for how to setup PostgreSQL change data capture with Debezium and Apache Kafka.
9 min read
